> For the complete documentation index, see [llms.txt](https://fluxion-network.gitbook.io/fluxion-network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://fluxion-network.gitbook.io/fluxion-network/developer-resources/technical-overview-and-api/amm-v3-factory.md).

# amm v3 factory

## Overview

Factory address supplied for the AMM V3 deployment.

* Contract name: `Fluxionfactory`
* Address: `0xF883162Ed9c7E8EF604214c964c678E40c9B737C`
* Network: Mantle Mainnet (`chainId 5000`)
* Explorer: [`Mantle Explorer`](https://explorer.mantle.xyz/address/0xF883162Ed9c7E8EF604214c964c678E40c9B737C)
* Explorer API: [`address payload`](https://explorer.mantle.xyz/api/v2/addresses/0xF883162Ed9c7E8EF604214c964c678E40c9B737C)
* [`Mantlescan code page`](https://mantlescan.xyz/address/0xF883162Ed9c7E8EF604214c964c678E40c9B737C#code)
* [`UniswapV3Factory.sol`](https://github.com/Uniswap/v3-core/blob/main/contracts/UniswapV3Factory.sol)
* [`Factory interface`](https://github.com/Uniswap/v3-core/blob/main/contracts/interfaces/IUniswapV3Factory.sol)

## Read Functions

### `owner`

```solidity
function owner() external view returns (address owner)
```

Returns the current owner of the factory.

This function does not take parameters.

**Return Values**

| Name    | Type      | Description            |
| ------- | --------- | ---------------------- |
| `owner` | `address` | Factory owner address. |

### `feeAmountTickSpacing`

```solidity
function feeAmountTickSpacing(uint24 fee) external view returns (int24 tickSpacing)
```

Returns the enabled tick spacing for a fee tier, or `0` if the fee tier is not enabled.

**Parameters**

| Name  | Type     | Description                                  |
| ----- | -------- | -------------------------------------------- |
| `fee` | `uint24` | Fee tier denominated in hundredths of a bip. |

**Return Values**

| Name          | Type    | Description                    |
| ------------- | ------- | ------------------------------ |
| `tickSpacing` | `int24` | Tick spacing for the fee tier. |

### `getPool`

```solidity
function getPool(address tokenA, address tokenB, uint24 fee) external view returns (address pool)
```

Returns the pool address for a token pair and fee tier, or the zero address if the pool does not exist.

**Parameters**

| Name     | Type      | Description                      |
| -------- | --------- | -------------------------------- |
| `tokenA` | `address` | Address of either pool token.    |
| `tokenB` | `address` | Address of the other pool token. |
| `fee`    | `uint24`  | Fee tier for the target pool.    |

**Return Values**

| Name   | Type      | Description                             |
| ------ | --------- | --------------------------------------- |
| `pool` | `address` | Pool address for the pair and fee tier. |

## Write Functions

### `createPool`

```solidity
function createPool(address tokenA, address tokenB, uint24 fee) external returns (address pool)
```

Creates a new pool for the token pair and fee tier if one does not already exist.

**Parameters**

| Name     | Type      | Description                 |
| -------- | --------- | --------------------------- |
| `tokenA` | `address` | One of the two pool tokens. |
| `tokenB` | `address` | The other pool token.       |
| `fee`    | `uint24`  | Desired pool fee tier.      |

**Return Values**

| Name   | Type      | Description                        |
| ------ | --------- | ---------------------------------- |
| `pool` | `address` | Address of the newly created pool. |

### `setOwner`

```solidity
function setOwner(address _owner) external
```

Updates the factory owner. Only the current owner can call this function.

**Parameters**

| Name     | Type      | Description        |
| -------- | --------- | ------------------ |
| `_owner` | `address` | New owner address. |

This function does not return a value.

### `enableFeeAmount`

```solidity
function enableFeeAmount(uint24 fee, int24 tickSpacing) external
```

Enables a new fee tier and binds it to a fixed tick spacing.

**Parameters**

| Name          | Type     | Description                                                 |
| ------------- | -------- | ----------------------------------------------------------- |
| `fee`         | `uint24` | Fee amount to enable, denominated in hundredths of a bip.   |
| `tickSpacing` | `int24`  | Tick spacing enforced for pools created with this fee tier. |

This function does not return a value.